1) 2,2-Diarylnaphthopyran
2,2-二芳基萘并吡喃
2) naphthopyran
萘并吡喃
1.
The substituted naphthopyrans have been synthesized by the reaction of aromatic aldehydes with malononitrile (or ethyl cyanoacetate) and β-naphthol in ethanol at reflux in the presence of piperidine.
以芳醛、丙二腈(或氰乙酸酯)、β-萘酚为原料在六氢吡啶存在下以乙醇为溶剂一锅合成了取代萘并吡喃,产物的结构通过单晶X射线衍射分析确定。
2.
The naphthopyrans compounds were structurally modified and characterized by IR,~1H-NMR and MS methods.
通过缩合反应对萘并吡喃结构进行了结构改性,合成了新的萘并吡喃类化合物,分别测定了产物的熔点及计算了产率,其结构经红外光谱、核磁共振和质谱进行了结构确证。
3) 2-heteroaryl-4-chromanones
2-杂环芳基苯并二氢吡喃-4-酮
1.
In order to develop novel fungicides, the structure of flavanane phytoalexins was modified in view of bioisosterism and 23 novel title compounds, 2-heteroaryl-4-chromanones, were designed and synthesized, whose structures were confirmed by 1 H NMR, MS and elemental analyses.
为开发新型环境友好杀菌剂,选择了黄烷酮类植物抗毒素为先导,利用生物等排取代原理对其结构进行修饰,设计合成了23个未见文献报道的2-杂环芳基苯并二氢吡喃-4-酮类化合物,并系统测定了所有化合物对水稻稻瘟病抑制活性的IC50值。
4) 2-heteroaryl-4-chromanone derivatives
2-杂环芳基苯并二氢吡喃-4-酮衍生物
1.
In this work,support vector regression(SVR) algorithm was applied to quantitative structure-rentention relationships study on 2-heteroaryl-4-chromanone derivatives.
将支持向量机(SVM)用于15种2-杂环芳基苯并二氢吡喃-4-酮衍生物的定量结构-色谱保留相关(QSRR)研究。
5) 4-aryl-Chromano[4,3-d]-Δ~(1,9)-1,2,3-thiadiazolines
4-芳基-4H-苯并吡喃[4,3-d]-1,3-噻二唑
6) 2-Aryl-4-chromanones
2-芳基苯并二氢吡喃-4-酮
补充资料：2-乙基-3-羟基-4-吡喃酮
分子式：
分子量：
CAS号：
性质：见乙基麦芽酚。
分子量：
CAS号：
性质：见乙基麦芽酚。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条